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However, the source from which Wikipedia took the above translation does not use the words in bold above; what actually says is two (kinds of) medical treatment.

"First and second Rock-Edicts: Girnar. Source: 'Inscriptions of Asoka. New Edition by E. Hultzsch'

However, the source from which Wikipedia took the above translation does not use the words in bold above; what it actually says is two (kinds of) medical treatment.

"First and second Rock-Edicts: Girnar. Source: 'Inscriptions of Asoka. New Edition by E. Hultzsch'

The edicts can be found on rocks in several regions of India and beyond. This rock is at Girnar and has 14 major edicts on it. Image source: Rana Safvi. (click to enlarge)

The available evidence for hospitals set up on the orders of Ashoka is not conclusive, but several scholars have suggested that it is at least likely that there was some type of hospital, perhaps within a Buddhist monastery. Details, though, are patchy at best and more definite evidence of scope of care of monasteries comes from much later periods.

The main evidence for the provision of medical treatment comes from what are now known as the Rock Edicts, specifically Major Rock Edict (RE) 2. However, translations differ slightly. Wikipedia uses E. Hultzsch's 1925 translation:

Everywhere in the dominions of king Devanampriya Priyadarsin [generally interpreted to mean Ashoka] and (of those) who (are his) borderers, such as the Cholas, the Pandyas, the Satiyaputa, the Kelalaputa, Tamraparni, the Yona (Greek) king named Antiyoga (Antiochus), and the other kings who are the neighbours of this Antiyoga, everywhere two (kinds of) medical men were established by king Devanampriya Priyadarsin, (viz.) medical treatment for men and medical treatment for cattle.

Wherever there were no herbs beneficial to men and beneficial to cattle, everywhere they were caused to be imported and to be planted. Likewise, wherever there were no roots and fruits, everywhere they were caused to be imported and to be planted.

However, there are more recent (and seemingly more widely used) translations which are worded a little differently. The one below is by Ven. S. Dhammika (who also consulted the translations of C. D. Sircar and D. R. Bhandarkar):

Everywhere within Beloved-of-the-Gods, King Piyadasi's domain, and among the people beyond the borders, the Cholas, the Pandyas, the Satiyaputras, the Keralaputras, as far as Tamraparni and where the Greek king Antiochos rules, and among the kings who are neighbors of Antiochos, everywhere has Beloved-of-the-Gods, King Piyadasi, made provision for two types of medical treatment: medical treatment for humans and medical treatment for animals. Wherever medical herbs suitable for humans or animals are not available, I have had them imported and grown. Wherever medical roots or fruits are not available I have had them imported and grown. Along roads I have had wells dug and trees planted for the benefit of humans and animals.

Note that Hultzsch only refers to 'medical men' while Dhammika has 'medical treatment for humans'. An earlier (but updated) translation by V. A. Smith has 'healing arrangements'. Note also that these edicts apparently post-date Ashoka's conversion to Buddhism, and that the welfare of animals is not neglected.

As you have noted in your research, this has been widely interpreted to mean 'hospitals'; references to this can found in Richard Salomon's Indian Epigraphy (OUP, 1998), Charles Allen's Ashoka: The Search for India's Lost Emperor (Hachette, 2012) (favourably reviewed here) and Nayanjot Lahiri's Ashoka in Ancient India (Harvard, 2015), the last source commenting:

Kenneth Zysk in Ascetism And Healing In Ancient India Medicine In The Buddhist Monastery (1991) is more cautious, but suggests that some kind of hospital care may have been provided by monasteries:

Short Answer

The available evidence for hospitals set up on the orders of Ashoka is inconclusive, but several scholars have suggested that it is at least likely that there was some type of hospital, perhaps within a Buddhist monastery. Details, though, are patchy at best and more definite evidence of the scope of care of monasteries comes from much later periods.

Details

The main evidence for the provision of medical treatment comes from what are now known as the Rock Edicts, specifically Major Rock Edict (RE) 2. However, translations differ slightly. Wikipedia uses E. Hultzsch's 1925 translation:

Everywhere in the dominions of king Devanampriya Priyadarsin [generally interpreted to mean Ashoka] and (of those) who (are his) borderers, such as the Cholas, the Pandyas, the Satiyaputa, the Kelalaputa, Tamraparni, the Yona (Greek) king named Antiyoga (Antiochus), and the other kings who are the neighbours of this Antiyoga, everywhere two (kinds of) medical men were established by king Devanampriya Priyadarsin, (viz.) medical treatment for men and medical treatment for cattle.

Wherever there were no herbs beneficial to men and beneficial to cattle, everywhere they were caused to be imported and to be planted. Likewise, wherever there were no roots and fruits, everywhere they were caused to be imported and to be planted.

However, the source from which Wikipedia took the above translation does not use the words in bold above; what actually says is two (kinds of) medical treatment.

There are more recent (and seemingly more widely used) translations which are worded a little differently. The one below is by Ven. S. Dhammika (who also consulted the translations of C. D. Sircar and D. R. Bhandarkar):

Everywhere within Beloved-of-the-Gods, King Piyadasi's domain, and among the people beyond the borders, the Cholas, the Pandyas, the Satiyaputras, the Keralaputras, as far as Tamraparni and where the Greek king Antiochos rules, and among the kings who are neighbors of Antiochos, everywhere has Beloved-of-the-Gods, King Piyadasi, made provision for two types of medical treatment: medical treatment for humans and medical treatment for animals. Wherever medical herbs suitable for humans or animals are not available, I have had them imported and grown. Wherever medical roots or fruits are not available I have had them imported and grown. Along roads I have had wells dug and trees planted for the benefit of humans and animals.

"First and second Rock-Edicts: Girnar. Source: 'Inscriptions of Asoka. New Edition by E. Hultzsch'

An earlier (but updated) translation by V. A. Smith has 'healing arrangements'. Note also that these edicts apparently post-date Ashoka's conversion to Buddhism, and that the welfare of animals is not neglected.

As you have noted in your research, this has been widely interpreted to mean 'hospitals'; uses of this word can found in several academic texts: Richard Salomon's Indian Epigraphy (OUP, 1998), Charles Allen's Ashoka: The Search for India's Lost Emperor (Hachette, 2012) (favourably reviewed here) and Nayanjot Lahiri's Ashoka in Ancient India (Harvard, 2015), the last source commenting:

However, according to a footnote Hultzsch's book, Indian archaeologist and epigraphist D. R. Bhandarkar specifically rejects the use of 'hospitals'. Also, Kenneth Zysk in Ascetism And Healing In Ancient India Medicine In The Buddhist Monastery (1991) is more cautious, but suggests that some kind of hospital care may have been provided by monasteries:

Note that Hultzsch only refers to 'medical men' while Dhammika has 'medical treatment for humans'. An earlier translation by V. A. Smith has 'healing arrangements'. Note also that these edicts apparently post-date Ashoka's conversion to Buddhism, and that the welfare of animals is not neglected.

As you have noted in your research, this has been widely interpreted to mean 'hospitals'; references to this can found in Charles Allen's Ashoka: The Search for India's Lost Emperor (Hachette, 2012) (favourably reviewed here) and Nayanjot Lahiri's Ashoka in Ancient India (Harvard, 2015), the latter source commenting:

Kenneth Zysk in Ascetism And Healing In Ancient India Medicine In The Buddhist Monastery is more cautious, but suggests that some kind of hospital care may have been provided by monasteries:

Note that Hultzsch only refers to 'medical men' while Dhammika has 'medical treatment for humans'. An earlier (but updated) translation by V. A. Smith has 'healing arrangements'. Note also that these edicts apparently post-date Ashoka's conversion to Buddhism, and that the welfare of animals is not neglected.

As you have noted in your research, this has been widely interpreted to mean 'hospitals'; references to this can found in Richard Salomon's Indian Epigraphy (OUP, 1998), Charles Allen's Ashoka: The Search for India's Lost Emperor (Hachette, 2012) (favourably reviewed here) and Nayanjot Lahiri's Ashoka in Ancient India (Harvard, 2015), the last source commenting:

Kenneth Zysk in Ascetism And Healing In Ancient India Medicine In The Buddhist Monastery (1991) is more cautious, but suggests that some kind of hospital care may have been provided by monasteries: